问题补充:
I could have turned to Mr. Smith for help, but he too busy then.
A. is
B. was
C. should be
D. has been
答案:
A. is
(答案→)B. was
C. should be
D. has been
解析:本题句意“我本可能救助鱼史密斯先生的,但是他那时实在太忙了”。本句中的could have turned说明了动作发生在过去,有but转折连词,导出了后句的事实性。
时间:2024-01-19 06:58:42
I could have turned to Mr. Smith for help, but he too busy then.
A. is
B. was
C. should be
D. has been
A. is
(答案→)B. was
C. should be
D. has been
解析:本题句意“我本可能救助鱼史密斯先生的,但是他那时实在太忙了”。本句中的could have turned说明了动作发生在过去,有but转折连词,导出了后句的事实性。